On January 11, 2018, Alaska and Virgin America consolidated their operations onto a Single Operating Certificate (SOC). Results for Alaska and Virgin America have been combined into a single mainline operation.

AIR GROUPOn a combined basis for all operations, Air Group reported a 5.8 percent increase in traffic on an 8.7 percent increase in capacity compared to April 2017. Load factor decreased 2.3 points to 84.3 percent.

The following table shows the operational results for April and year-to-date, compared to the prior-year periods:

April

Year-to-Date

2018

2017

Change

2018

2017

Change

Revenue passengers (000)

3,839

3,670

4.6%

14,329

13,677

4.8%

Revenue passenger miles RPM (000,000) "traffic"

4,599

4,346

5.8%

17,003

16,054

5.9%

Available seat miles ASM (000,000) "capacity"

5,457

5,019

8.7%

20,937

19,413

7.9%

Passenger load factor

84.3%

86.6%

(2.3) pts

81.2%

82.7%

(1.5) pts

MAINLINEMainline reported a 4.4 percent increase in traffic on a 7.4 percent increase in capacity compared to April 2017. Load factor decreased 2.4 points to 84.8 percent. Mainline also reported 83.4 percent of its flights arrived on time in April 2018, compared to 77.1 percent reported in April 2017.

Mainline operational results reflect both Alaska and Virgin America combined. The following table shows mainline operational results for April and year-to-date, compared to the prior-year periods:

April

Year-to-Date

2018

2017

Change

2018

2017

Change

Revenue passengers (000)

3,025

2,888

4.7%

11,236

10,661

5.4%

RPMs (000,000)

4,203

4,025

4.4%

15,563

14,853

4.8%

ASMs (000,000)

4,958

4,616

7.4%

19,056

17,876

6.6%

Passenger load factor

84.8%

87.2%

(2.4) pts

81.7%

83.1%

(1.4) pts

On-time arrivals as reported to U.S. DOT

83.4%

77.1%

6.3 pts

84.1%

75.2%

8.9 pts

REGIONALRegional traffic increased 23.4 percent on a 23.8 percent increase in capacity compared to April 2017. Load factor decreased 0.3 points to 79.4 percent. Alaska's regional partners also reported 85.6 percent of its flights arrived on time in April 2018, compared to 86.6 percent in April 2017.

The following table shows regional operational results for April and year-to-date, compared to the prior-year periods:

April

Year-to-Date

2018

2017

Change

2018

2017

Change

Revenue passengers (000)

814

782

4.1%

3,093

3,016

2.6%

RPMs (000,000)

396

321

23.4%

1,440

1,201

19.9%

ASMs (000,000)

499

403

23.8%

1,881

1,537

22.4%

Passenger load factor

79.4%

79.7%

(0.3) pts

76.6%

78.1%

(1.5) pts

On-time arrivals as reported to U.S. DOT

85.6%

86.6%

(1.0) pts

86.0%

76.4%

9.6 pts

Alaska Airlines and its regional partners fly 44 million guests a year to more than 115 destinations with an average of 1,200 daily flights across the United States and to Mexico, Canada and Costa Rica. With Alaska and Alaska Global Partners, guests can earn and redeem miles on flights to more than 900 destinations worldwide. Learn about Alaska's award-winning service at newsroom.alaskaair.com and blog.alaskaair.com. Alaska Airlines, Virgin America and Horizon Air are subsidiaries of Alaska Air Group (NYSE: ALK).